Thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric conditions

Sefa Yalcin*, Adnan Midilli, Alp Er S. Konukman

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Özet

This study presents thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric combustion conditions. For this purpose, using the results from stoichiometric combustion reaction and proximate-ultimate analyses of the lignite samples, energy and exergy analyses are performed. Moreover, the concept and capacity of steam (424 K, 5 bar), hot water (363 K) and hot air (573 K) production system are chosen in accordance with a tea factory. Consequently, in case of stoichiometric combustion of the same amount of Afsin and Soma lignites, it is observed that the amount of steam from Soma lignite combustion is approximately three times more than that of Afsin lignite combustion. Additionally, energy and exergy efficiencies of the system using Afsin lignite are calculated to be 66% and 19%, respectively while those of system using Soma lignite are estimated to be 73% and 24%, respectively.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)101-128
Sayfa sayısı28
DergiInternational Journal of Exergy
Hacim23
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 2017
Harici olarak yayınlandıEvet

Bibliyografik not

Publisher Copyright:
Copyright © 2017 Inderscience Enterprises Ltd.

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